Home / 3,415,501.40-5,123,252.10-891,156.65

Finding the Fourth Proportional to 3,415,501.40, 5,123,252.10 and 891,156.65

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Solution

The fourth proportional to 3,415,501.40, 5,123,252.10 and 891,156.65 is: 1,336,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,501.40 : 5,123,252.10 = 891,156.65 : x
  2. Step 2: Convert to fraction form
    3,415,501.40/5,123,252.10 = 891,156.65/x
  3. Step 3: Cross multiply
    3,415,501.40x = 5,123,252.10 × 891,156.65
  4. Step 4: Simplify right side
    3,415,501.40x = 4,565,620,178,541.47
  5. Step 5: Solve for x
    x = 4,565,620,178,541.47/3,415,501.40
  6. Step 6: Final answer
    x = 1,336,734.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.